[7][8] January 2008 saw Andrews make his first international appearance, when he was flown out to Madrid to compete for La Super Wrestling Alliance (SWA).

[18] Andrews also made two appearances for the newly reformed Frontier Wrestling Alliance, which included an encounter against long-time rival Wild Boar at Thorpe Park.

Taking on Arthur Klauser-Saxon (Tyler Bate), who was styled as Machoke, Andrews picked up the win to gain the hold of the 24:7 Championship for a second time.

Pro Wrestling", Andrews again regained the title, defeating current holders Sam Bailey and Zack Gibson in a soccer-themed tag team match, alongside Pete Dunne.

For a third time, Andrews lost the title almost as quickly as he had won it, with Lana Austin and Nixon Newell striking the same evening to take the belt.

[25] Andrews also made another short trip to the US independents in 2014, which included a dark match appearance at DREAMWAVE's "Good As Gold" event in LaSalle, Illinois.

Appearing on the Mülheim leg of the "wXw Drive of Champions Tour", Andrews teamed with Pete Dunne and Chris Brookes, losing out to Big Daddy Walter, Axel Dieter Jr. and Da Mack.

Meanwhile, the online message board UKFF voted Andrews the 3rd best wrestler in the UK, with a series of complimentary comments, including: "Mark's the poster boy of the resurgence British wrestling is seeing at the moment.

Titled "Mandrews Goes To America", the show was held at Cathays Community Centre in Cardiff, a small venue just minutes from where Andrews grew up.

[30] In early 2016, Andrews and Nixon Newell formed the tag team Bayside High and on 27 March 2016 defeated #CCK (Chris Brookes and Kid Lykos) for the Attack!

Granted a place in the Young Lions Cup IX, Andrews' first round match was a four-way eliminator, taking on Tadasuke, Nick Jackson and Sean South.

[34] Andrews was part of Chikara's first ever tour of the UK, gaining a victory over Silver Ant at the show of 31 April 2015 in Cardiff, Wales.

However, during that weekend Andrews also competed for Chikara's annual Rey de Voladores title, winning the tournament by defeating Shynron in the finals.

[36] Andrews returned at Chapter 3 where he was victorious over Xander Cooper,[37] before then entering the inaugural National Progression Series tournament.

[39] In 2013, Andrews won the Natural Progression Series, defeating Jonathan Windsor in the second round[40] and Paul Robinson in the final,[41] claiming the trophy and a guaranteed title shot.

Andrews then requested a title shot, pointing out that when the two had previously faced each other in Progress, Ospreay hadn't won either of their lauded matches.

[51] Andrews and Dennis, as FSU, were then granted two shots at the tag team titles in early 2016, including a no disqualification match, both of which they lost to Cruz and Ligero.

He went on to beat Mikey Whiplash in the quarter-finals and Zack Gibson in the semi-finals, before losing to Tommy End in the tournament final.

Smash Wrestling event in September 2016, Andrews competed at all three shows – losing to Brent Banks[56] and winning matches against Scotty O'Shea[57] and Kevin Bennett.

[58] At Chapter Thirty-Six at the Brixton Academy, Andrews teamed with Eddie Dennis, Jack Gallagher and Damon Moser in a losing effort against the Origin (Nathan Cruz, El Ligero, Dave Mastiff & Zack Gibson).

[66] At Chapter 55, held at Alexandra Palace, Andrews won an 8-Man Scramble Match, again becoming the number contender for the Progress World Championship [67] before being attacked by long-time tag team partner Eddie Dennis.

[74] Andrews competed in a dark match against DJ Z in a losing effort on 7 September 2014 during an Impact Wrestling taping from Fayetteville, North Carolina.

Andrews made his in-ring debut a week later under his Mandrews nickname, teaming up with Spud to defeat The BroMans (Robbie E & Jessie Godderz).

At One Night Only: Live!, Mandrews competed in a Four-Way elimination match for the TNA X Division Championship which was won by Tigre Uno.

at Destination X (2016), Mandrews competed in a Six-man Ladder match to determine the #1 contender for the TNA X Division Championship which was won by DJZ.

[80] On 28 August 2015 Andrews made his debut for Pro Wrestling Guerrilla (PWG) by entering the 2015 Battle of Los Angeles tournament, losing to Will Ospreay in his first round match.

[86] At the 2016 Battle of Los Angeles, Andrews beat Pete Dunne in the first round[87] and Chris Hero in the quarter-finals but lost to Trevor Lee in the semi-finals.

In a triple threat tag team match at NXT UK TakeOver: Cardiff, Andrews along with Flash Morgan Webster captured the NXT UK Tag Team Championship after defeating James Drake and Zack Gibson to win the titles and become the first Welsh champions in WWE history.

[92] In June 2021 vignettes started appearing on WWE social media and NXT UK programming featuring Andrews, his tag team partner Flash Morgan Webster, and Dani Luna.

[95] It was later on announced that Andrews and Webster would return to Impact to participate in a four-way match for the World Tag Team Championship against ABC, Brian Myers and Moose, and Rich Swann and Sami Callihan at Slammiversary of year 2023.